| 摘要 |
A adjustable closet flange for permitting adjustment of the depth of a closet flange connecting a toilet to a drain conduit. The adjustable closet flange includes a tubular lower conduit with open top and bottom ends, and exterior and interior surfaces. The interior surface of the lower conduit has a threaded region located adjacent the top end of the lower conduit. The lower conduit also has an outwardly radiating annular mounting flange adjacent the top end of the lower conduit. A tubular upper conduit is proved having open upper and lower ends, and inner and outer surfaces. The outer surface of the upper conduit has a threaded region adjacent the lower end of the upper conduit. The lower end of the upper conduit is inserted into the top end of the lower conduit with the threaded region of the upper conduit threadedly engaging the threaded region of the lower conduit. The outer surface of the upper conduit has an annular outer groove therearound adjacent the upper end of the upper conduit. An annular bolt down flange is rotatably disposed about the upper conduit in the outer groove to permit free rotation of the bolt down flange about the upper conduit in the outer groove.
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